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82798045 = 51123293761
BaseRepresentation
bin1001110111101…
…10010111011101
312202210120120021
410323312113131
5132144014140
612114352141
72023525501
oct473662735
9182716507
1082798045
1142812440
122388b651
13141ccb35
14add4301
157407b4a
hex4ef65dd

82798045 has 64 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 53222400.

The previous prime is 82798043. The next prime is 82798073. The reversal of 82798045 is 54089728.

It is not a de Polignac number, because 82798045 - 21 = 82798043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82797992 and 82798010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82798043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1357315 + ... + 1357375.

It is an arithmetic number, because the mean of its divisors is an integer number (1908360).

Almost surely, 282798045 is an apocalyptic number.

It is an amenable number.

82798045 is a deficient number, since it is larger than the sum of its proper divisors (39336995).

82798045 is a wasteful number, since it uses less digits than its factorization.

82798045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 82798045 is about 9099.3431081590. The cubic root of 82798045 is about 435.8529878481.

The spelling of 82798045 in words is "eighty-two million, seven hundred ninety-eight thousand, forty-five".

Divisors: 1 5 11 23 29 37 55 61 115 145 185 253 305 319 407 667 671 851 1073 1265 1403 1595 1769 2035 2257 3335 3355 4255 5365 7015 7337 8845 9361 11285 11803 15433 19459 24679 24827 36685 40687 46805 51911 59015 65453 77165 97295 123395 124135 203435 259555 271469 327265 447557 571021 719983 1357345 1505419 2237785 2855105 3599915 7527095 16559609 82798045